–Someone is knocking at the door. Who ______ it be? --It be Victor. He has gone to London yesterday.
You don’t have to________every new word in the dictionary while reading.
The retired couple enjoy________photos.They always go out with their cameras.
Don’t worry.You have________time to catch the train.
If you want to buy this dress,you’d better________first to make sure it fits you.
Many children are left alone in the countryside.Let’s try our best________them.